[INFO] fetching crate dbg-swc 0.12.0...
[INFO] checking dbg-swc-0.12.0 against try#3f7b27fe41ccd116a4c0829bd9a14b65bada4578 for pr-96970
[INFO] extracting crate dbg-swc 0.12.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate dbg-swc 0.12.0 on toolchain 3f7b27fe41ccd116a4c0829bd9a14b65bada4578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/rust-toolchain
[INFO] started tweaking crates.io crate dbg-swc 0.12.0
[INFO] finished tweaking crates.io crate dbg-swc 0.12.0
[INFO] tweaked toml for crates.io crate dbg-swc 0.12.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate dbg-swc 0.12.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 17f9de23796ad47ad760c804be6013a8e6890af68a7fe6f9f602b76b1d2461fb
[INFO] running `Command { std: "docker" "start" "-a" "17f9de23796ad47ad760c804be6013a8e6890af68a7fe6f9f602b76b1d2461fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17f9de23796ad47ad760c804be6013a8e6890af68a7fe6f9f602b76b1d2461fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17f9de23796ad47ad760c804be6013a8e6890af68a7fe6f9f602b76b1d2461fb", kill_on_drop: false }`
[INFO] [stdout] 17f9de23796ad47ad760c804be6013a8e6890af68a7fe6f9f602b76b1d2461fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4ff957b2bd26e6bd431a8a9d1a2c8c8f18ebb67001113e0f9c5665b3d22bcc2d
[INFO] running `Command { std: "docker" "start" "-a" "4ff957b2bd26e6bd431a8a9d1a2c8c8f18ebb67001113e0f9c5665b3d22bcc2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.93
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking lazy_static v1.4.0
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[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]     Checking once_cell v1.10.0
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[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking matches v0.1.9
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[INFO] [stderr]     Checking unicode-bidi v0.3.8
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[INFO] [stderr]    Compiling strsim v0.9.3
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[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
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[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
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[INFO] [stderr]     Checking hashbrown v0.12.1
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[INFO] [stderr]     Checking owo-colors v3.4.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking retain_mut v0.1.7
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking tinyvec v1.6.0
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[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking lexical-util v0.8.3
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking better_scoped_tls v0.1.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
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[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
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[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]     Checking lexical-parse-integer v0.8.3
[INFO] [stderr]     Checking lexical-write-integer v0.8.3
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking lexical-parse-float v0.8.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking lexical-write-float v0.8.4
[INFO] [stderr]     Checking tracing-subscriber v0.3.11
[INFO] [stderr]     Checking dashmap v5.3.3
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking supports-color v1.3.0
[INFO] [stderr]     Checking supports-unicode v1.0.2
[INFO] [stderr]     Checking supports-hyperlinks v1.2.0
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[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking lexical-core v0.8.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking lexical v6.1.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]    Compiling swc_atoms v0.2.11
[INFO] [stderr]    Compiling unicode-linebreak v0.1.2
[INFO] [stderr]    Compiling pmutil v0.5.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling swc_macros_common v0.3.5
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling swc_visit_macros v0.3.1
[INFO] [stderr]    Compiling swc_eq_ignore_macros v0.1.0
[INFO] [stderr]    Compiling from_variant v0.1.3
[INFO] [stderr]    Compiling string_enum v0.3.1
[INFO] [stderr]    Compiling is-macro v0.2.0
[INFO] [stderr]    Compiling enum_kind v0.2.1
[INFO] [stderr]    Compiling phf_macros v0.10.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling miette-derive v4.7.0
[INFO] [stderr]    Compiling swc_config_macro v0.1.0
[INFO] [stderr]    Compiling swc_ecma_transforms_macros v0.3.0
[INFO] [stderr]    Compiling swc_ecma_codegen_macros v0.7.0
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling ast_node v0.7.7
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking miette v4.7.0
[INFO] [stderr]     Checking swc_timer v0.5.0
[INFO] [stderr]     Checking swc_visit v0.3.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking string_cache v0.8.4
[INFO] [stderr]     Checking swc_cached v0.1.1
[INFO] [stderr]     Checking clap v3.1.17
[INFO] [stderr]     Checking swc_common v0.17.25
[INFO] [stderr]     Checking sourcemap v6.0.2
[INFO] [stderr]     Checking swc_config v0.1.0
[INFO] [stderr]     Checking import_map v0.9.0
[INFO] [stderr]     Checking swc_ecma_ast v0.77.2
[INFO] [stderr]     Checking swc_error_reporters v0.1.2
[INFO] [stderr]     Checking swc_ecma_visit v0.63.1
[INFO] [stderr]     Checking swc_ecma_parser v0.103.1
[INFO] [stderr]     Checking swc_ecma_codegen v0.106.1
[INFO] [stderr]     Checking swc_ecma_utils v0.84.0
[INFO] [stderr]     Checking swc_ecma_transforms_base v0.83.0
[INFO] [stderr]     Checking swc_ecma_transforms_optimization v0.122.0
[INFO] [stderr]     Checking swc_ecma_minifier v0.112.0
[INFO] [stderr]     Checking dbg-swc v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Node`
[INFO] [stdout]    --> src/test.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 |     Node,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Node`
[INFO] [stdout]    --> src/test.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 |     Node,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 28s
[INFO] running `Command { std: "docker" "inspect" "4ff957b2bd26e6bd431a8a9d1a2c8c8f18ebb67001113e0f9c5665b3d22bcc2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ff957b2bd26e6bd431a8a9d1a2c8c8f18ebb67001113e0f9c5665b3d22bcc2d", kill_on_drop: false }`
[INFO] [stdout] 4ff957b2bd26e6bd431a8a9d1a2c8c8f18ebb67001113e0f9c5665b3d22bcc2d